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From: mike@compulab.co.il (Mike Rapoport)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] Add RGB555X and RGB565X formats to pxa-camera
Date: Sun, 06 Sep 2009 09:03:32 +0300	[thread overview]
Message-ID: <4AA350B4.30204@compulab.co.il> (raw)
In-Reply-To: <Pine.LNX.4.64.0909042102200.4501@axis700.grange>

Hi Guennadi,

Guennadi Liakhovetski wrote:
> On Mon, 3 Aug 2009, Mike Rapoport wrote:
> 
>>> 2. Mike, while reviewing this patch I came across code in 
>>> pxa_camera_setup_cicr(), introduced by your earlier patch:
>>>
>>> 	case V4L2_PIX_FMT_RGB555:
>>> 		cicr1 |= CICR1_RGB_BPP_VAL(1) | CICR1_RGBT_CONV_VAL(2) |
>>> 			CICR1_TBIT | CICR1_COLOR_SP_VAL(1);
>>> 		break;
>>>
>>> Why are you enabling the RGB to RGBT conversion here unconditionally? 
>>> Generally, what are the advantages of configuring CICR1 for a specific RGB 
>>> format compared to using just a raw capture? Do I understand it right, 
>>> that ATM we are not using any of those features?
>> As far as I remember I've tried to overlay the captured imagery using pxa
>> overlay1. Most probably it's left here after those tries.
> 
> Mike, could you, please, verify that those bits are indeed unneeded and 
> provide patch to remove them?

Unfortunately, I don't have the sensor handy at the time :( The one I've used
then is now broken (physically) and there's no replacement for it :(

> Thanks
> Guennadi
> ---
> Guennadi Liakhovetski, Ph.D.
> Freelance Open-Source Software Developer
> http://www.open-technology.de/
> --
> To unsubscribe from this list: send the line "unsubscribe linux-media" in
> the body of a message to majordomo at vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> 

-- 
Sincerely yours,
Mike.

WARNING: multiple messages have this Message-ID (diff)
From: Mike Rapoport <mike@compulab.co.il>
To: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Eric Miao <eric.y.miao@gmail.com>,
	Marek Vasut <marek.vasut@gmail.com>,
	Russell King - ARM Linux <linux@arm.linux.org.uk>,
	Linux Media Mailing List <linux-media@vger.kernel.org>,
	Stefan Herbrechtsmeier <hbmeier@hni.uni-paderborn.de>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] Add RGB555X and RGB565X formats to pxa-camera
Date: Sun, 06 Sep 2009 09:03:32 +0300	[thread overview]
Message-ID: <4AA350B4.30204@compulab.co.il> (raw)
In-Reply-To: <Pine.LNX.4.64.0909042102200.4501@axis700.grange>

Hi Guennadi,

Guennadi Liakhovetski wrote:
> On Mon, 3 Aug 2009, Mike Rapoport wrote:
> 
>>> 2. Mike, while reviewing this patch I came across code in 
>>> pxa_camera_setup_cicr(), introduced by your earlier patch:
>>>
>>> 	case V4L2_PIX_FMT_RGB555:
>>> 		cicr1 |= CICR1_RGB_BPP_VAL(1) | CICR1_RGBT_CONV_VAL(2) |
>>> 			CICR1_TBIT | CICR1_COLOR_SP_VAL(1);
>>> 		break;
>>>
>>> Why are you enabling the RGB to RGBT conversion here unconditionally? 
>>> Generally, what are the advantages of configuring CICR1 for a specific RGB 
>>> format compared to using just a raw capture? Do I understand it right, 
>>> that ATM we are not using any of those features?
>> As far as I remember I've tried to overlay the captured imagery using pxa
>> overlay1. Most probably it's left here after those tries.
> 
> Mike, could you, please, verify that those bits are indeed unneeded and 
> provide patch to remove them?

Unfortunately, I don't have the sensor handy at the time :( The one I've used
then is now broken (physically) and there's no replacement for it :(

> Thanks
> Guennadi
> ---
> Guennadi Liakhovetski, Ph.D.
> Freelance Open-Source Software Developer
> http://www.open-technology.de/
> --
> To unsubscribe from this list: send the line "unsubscribe linux-media" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> 

-- 
Sincerely yours,
Mike.


  reply	other threads:[~2009-09-06  6:03 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200908031031.00676.marek.vasut@gmail.com>
     [not found] ` <200908031052.59016.marek.vasut@gmail.com>
2009-08-03  9:17   ` [PATCH] Add RGB555X and RGB565X formats to pxa-camera Trilok Soni
2009-08-03 11:35 ` Eric Miao
2009-08-03 11:43   ` Trilok Soni
2009-08-03 12:31   ` Guennadi Liakhovetski
2009-08-03 12:59     ` Mike Rapoport
2009-09-04 19:05       ` Guennadi Liakhovetski
2009-09-04 19:05         ` Guennadi Liakhovetski
2009-09-06  6:03         ` Mike Rapoport [this message]
2009-09-06  6:03           ` Mike Rapoport
2009-08-03 13:59     ` Marek Vasut
2009-09-05  7:26     ` Marek Vasut
2009-09-05  7:26       ` Marek Vasut
2009-09-05  8:55       ` Guennadi Liakhovetski
2009-09-05  8:55         ` Guennadi Liakhovetski
2009-09-05  9:49         ` Marek Vasut
2009-09-05  9:49           ` Marek Vasut
2009-09-05 20:19           ` Guennadi Liakhovetski
2009-09-05 20:19             ` Guennadi Liakhovetski
2009-09-05 21:17             ` Marek Vasut
2009-09-05 21:17               ` Marek Vasut
2009-09-05 22:05               ` Guennadi Liakhovetski
2009-09-05 22:05                 ` Guennadi Liakhovetski
2009-09-06  3:50                 ` Marek Vasut
2009-09-06  3:50                   ` Marek Vasut
2009-09-06 16:52                   ` Guennadi Liakhovetski
2009-09-06 16:52                     ` Guennadi Liakhovetski
2009-09-06 17:51                     ` Marek Vasut
2009-09-06 17:51                       ` Marek Vasut
2009-09-06 18:15                       ` Guennadi Liakhovetski
2009-09-06 18:15                         ` Guennadi Liakhovetski
2009-09-07  4:46                         ` Marek Vasut
2009-09-07  4:46                           ` Marek Vasut
2009-09-07  6:22                           ` Guennadi Liakhovetski
2009-09-07  6:22                             ` Guennadi Liakhovetski
2009-09-07  8:50                             ` Marek Vasut
2009-09-07  8:50                               ` Marek Vasut
2009-09-07 10:21                               ` Robert Jarzmik
2009-09-07 10:21                                 ` Robert Jarzmik
2009-09-07 11:53                                 ` Marek Vasut
2009-09-07 11:53                                   ` Marek Vasut
2009-09-07 12:10                                   ` Guennadi Liakhovetski
2009-09-07 12:10                                     ` Guennadi Liakhovetski
2009-09-05 15:22         ` Jamie Lokier
2009-09-05 15:22           ` Jamie Lokier

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